= How to agree with someone in English=
A: Since working with our new manager from Monday, I've formed a really good opinion of him. He has a clear vision and knows how to motivate people.
B: I couldn't agree with you more. Just the other day, he gave me some great advice about sales and my sales numbers actually rose.
A: That's what I mean...I am so happy that he joined our team.
B: You can say that again.